the.com/machining
Removing material until what's left is exactly right — sculpture with calculus and coolant.
subtractive artBuilds nothing, only takes away the wrong metal
tolerancePrecision parts hold sizes thinner than a hair
chips matterCurling swarf shape reveals if cutting is healthy
heat enemyFriction can ruin parts, so coolant floods the cut
old rootsLathes predate engines, shaping wood for centuries